Question

The length of a cylinder is measured by using Vernier Calliper in successive trails are 1.20cm,1.21cm and 1.19cm. Express its value in terms of percentage error.​

Answer 1

Answer:

mean value is 1.20 and error is -0.01 and +0.01

This 0.01 error is in 1.20

Now write like this

In 1.20 error is 0.01

In 100 error will be (0.01/1.20)×100= 100/120=

5/6 =0.83

Ans (plus minus) 0.83 %